The Hidden Cost Of A Single Downhill Run
A single steep descent left runners’ legs measurably weaker two days later, well after the soreness had made its point. The muscles didn’t all fail the same way.
Run Long Run Healthy
Kale Sprouts Can Lower Your Lactate. Should You Care?
A new study found a kale-sprout drink dropped lactate during cycling. The harder question is whether that number was ever the one that mattered.
Run Long Run Healthy
The Point Where Training Stress Stops Building Fitness
A new study pushed training well past the point of adaptation — and looked for the damage somewhere runners rarely think to check.
Run Long Run Healthy
The Full Track Schedule for the 2026 Diamond League Final in Brussels
The season ends at King Baudouin Stadium on Friday and Saturday. Here are the start times for all 18 track finals across the two nights.
Track and Field
Running More Doesn’t Always Mean Burning More
A new study on highly trained runners suggests your body may be quietly working against your training log.
Run Long Run Healthy
Clayton Young Will Chase the American Record His Training Partner Set in Chicago
Young, 32, told the Nobody Asked Us podcast he will target Conner Mantz’s 2:04:43 on Oct. 11. His own fastest time on a course where records count is 2:08:00.
Jessy Carveth
The Marathon Wall Is More Than A Fueling Problem
A new review asks why fueling plans so often fail runners in the same stretch of the race — and the answer isn’t just carbohydrates.
Run Long Run Healthy
Polluted Air Could Cost You Minutes on Marathon Day
A study of 2.7 million marathon finishers found that nitrogen dioxide — not particulate matter — was linked to slower times, with the effect six times larger in recreational runners than elites.
Run Long Run Healthy
Tayla Kavanagh Was Tripped in the Durban 10K but No One Can Decide Who Is At fault
The 25-year-old went down on the road in the opening kilometers on Sunday and still won in 31:39, 13 seconds outside her personal best. Video of the fall has since been shared around the world.
Race Coverage
The World’s Biggest Running Newsletter
363,726 runners and counting.
Join the world’s biggest running newsletter, and wake up every day to the latest running stories, tips, reviews, and more:
Our Podcasts
